Method and Apparatus for Communication Between a Security System and a Monitoring Center

1. A method for providing communications between a control panel at a premises and a monitoring center remote from the premises, the method comprising: sensing an alarm event at the premises; causing, in response to the sensing of the alarm event at the premises, the control panel to: signal, using a first communication format, the monitoring center regarding the alarm event at the premises; and enter a call-back mode to enable the control panel to receive in-bound calls from an operator at the monitoring center after the signaling to enable a two-way voice session; and establishing the two-way voice session configured to provide two-way voice communication between an operator at the monitoring center and a user at the control panel, wherein the two-way voice session is initiated by the monitoring center via a second communication format different from the first communication format.

2. The method of claim 1 , wherein the second communication format for the two-way voice session utilizes one of Global System for Mobile Communications (GSM), Code Division Multiple Access (CDMA), Voice over IP (VoIP), WiMAX, Wi-Fi, Time Division Multiple Access (TDMA), Integrated Digital Enhanced Network (iDEN), and Long Term Evolution (LTE).

3. The method of claim 1 , wherein the signaling of the monitoring center includes transmitting an alarm event code from the control panel to the monitoring center utilizing the first communication format and a network protocol, the first communication format is associated with one of General Packet Radio Service (GPRS), Enhanced Data Rates for GSM evolution (EDGE), 1xRTT, evolution-data optimized (EVDO), iDEN, and VoIP.

4. The method of claim 3 , wherein the first communication format constitutes a packet mode format.

5. The method of claim 3 , wherein the two-way voice session initiated by the monitoring center comprises automatically calling the control panel upon receipt of the alarm event code.

6. The method of claim 3 , wherein the alarm event code indicates that the control panel is entering a two-way voice call-back mode.

7. The method of claim 1 , wherein establishing the two-way voice session comprises making an outbound call to the control panel based on a pre-assigned phone number associated with the control panel.

8. The method of claim 1 , wherein the control panel enters the call-back mode upon receiving an acknowledge message from the monitoring center acknowledging that the monitoring center has received the event code.

9. The method of claim 1 , further comprising providing the operator at the monitoring center with information identifying the control panel at the premises.

10. The method of claim 1 , further comprising placing the control panel in a listen-only state for a predetermined period of time once the two-way voice session is established.

11. The method of claim 1 , wherein the control panel enters an in-bound call enabled state at the enabling of the control panel to receive in-bound calls and maintains the in-bound call enabled state until the first of establishing the two-way voice session and a time period expires.

12. A control panel for monitoring a plurality of security devices installed at a premises for communicating with a central monitoring center located remote from the premises, the control panel comprising: a control module configured to detect alarm event data associated with a security device; a communicator module configured to utilize first and second communications formats to enable communications, the communicator module comprising a system identifier (ID) identifying the control panel; and a transceiver configured to: transmit the alarm event data utilizing the first communication format and at least voice utilizing the second communication format different from the first communication format; and transmit an alarm event code to the central monitoring center utilizing the first communication format, the control panel entering a call-back mode after the event code is transmitted to enable a two-way voice communication session with an operator at the central monitoring center utilizing the second communication format.

13. The control panel of claim 12 , wherein the control panel enters the call-back mode after receiving an acknowledgment message utilizing the first communication format from the central monitoring center.

14. The control panel of claim 12 , wherein the transceiver transmits an alarm code based on the event data detected by the control module, the alarm code comprising at least the system ID, the alarm code and the event code being transmitted as a substantially constant stream.

15. The system control panel of claim 12 , wherein the transceiver is further configured to wait in the call-back mode for a time period, the transceiver retransmitting the alarm event code if an incoming call from the central monitoring station is not detected during the time period.

16. A method of processing an alarm at a premises, the method comprising: sensing the alarm at the premises; signaling the alarm from the premises to a monitoring center using a first network interface under control of a processor; entering a call-back mode at the premises to enable receipt of in-bound calls after the signaling; and initiating, from the monitoring center and in response to the signaling, a two-way cellular network call to a cellular network address identifying an audio station to network interface at the premises, the audio station to network interface including: a second network interface; a radio; and control logic which operates independently of the processor; using the control logic and the radio to establish a radio channel from the audio station to network interface to a selected one of a plurality of audio stations at the premises, the selected one of the plurality of audio stations including at least one of a speaker and a microphone, and a radio interface; and using the control logic to bridge the radio channel to the cellular network call to establish a two-way audio channel from the selected one of the plurality of audio stations to the monitoring center.